Sport boot collar



FIG. 1 is a right side view of the sport boot collar of applicant's design;

FIG. 2 is a left side view thereof;

FIG. 3 is a perspective view thereof;

FIG. 4 is a front elevation thereof;

FIG. 5 is a rear elevation thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a sport boot collar, as shown and described. 